1644448

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:149

約数の個数: 48

約数和(自身を含む): 3598560

約数和(自身を除く): 1954112

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 59, 67, 104, 118, 134, 208, 236, 268, 416, 472, 536, 767, 871, 944, 1072, 1534, 1742, 1888, 2144, 3068, 3484, 3953, 6136, 6968, 7906, 12272, 13936, 15812, 24544, 27872, 31624, 51389, 63248, 102778, 126496, 205556, 411112, 822224, 1644448]

約数ペア:

[(1, 1644448), (2, 822224), (4, 411112), (8, 205556), (13, 126496), (16, 102778), (26, 63248), (32, 51389), (52, 31624), (59, 27872), (67, 24544), (104, 15812), (118, 13936), (134, 12272), (208, 7906), (236, 6968), (268, 6136), (416, 3953), (472, 3484), (536, 3068), (767, 2144), (871, 1888), (944, 1742), (1072, 1534)]